Update keys to ECDSA format

Signed-off-by: Somtochi Onyekwere <somtochionyekwere@gmail.com>

cmd/flux/testdata/create_secret/git/git-ssh-secret-password.yaml

@@ -7,46 +7,17 @@ metadata:
 stringData:
   identity: |
     -----BEGIN OPENSSH PRIVATE KEY-----
-    b3BlbnNzaC1rZXktdjEAAAAACmFlczI1Ni1jdHIAAAAGYmNyeXB0AAAAGAAAABAZPOy4O0
-    XmgKgRJuR9WaShAAAAEAAAAAEAAAGXAAAAB3NzaC1yc2EAAAADAQABAAABgQDmuJnVljOr
-    pA3OiaAkCJuPT+lHRb/Kuc7fByldlYihsrNjWKVa9xB844mNrpntevFJ6ESEE13ElY2O8M
-    /L58Eh4hmrzqBDtk7XnP/bJVdHAOGvEYavLEeN9K9nZdYYnyOae4OMZacA4oHxUSyrSWvl
-    LDTOOZnFYlCkVXogBcvCrg+HZe/FaHmB4R3ni9eojsX/gQII970SD6d2DLhCW3r+qNW03S
-    O8bj28xyjGLhVgNPyRimWkeZ8DpiJKm2Ccf2oYqtVp1wtrihz4QZ30cZ0KWxdf2iJKCMhp
-    e5B2F8Gw3+3ZWWA8xmg1buDwLkGmroibPY9hUAzt05E8THuwpl7GA/8xdge+LCcCdBhx+i
-    WYhcPrQOCD/5ajRM7OkjJbJwRxdZgdYDSUvQNnHYh02pj+ZYjQBARhSRCEkFnxklyNjzSD
-    ETwXO5tW57CmcegLS8ig3Z3WcgBX0sdDsttMBmlWt4fb6qPB6ctTjx/wlkC0YlHXuI+Fzm
-    CyAP8ikQk63ckAAAWQy3GOOOYpvMAgXIDYUJZnCiy4jnzpt3vX0kIpWogfwqT8QwbuhhDb
-    ogQT6mZqt88nKUlRv3eRPmeG6MebsuweMw6WJfP0ZARFJS9+nXfNSJGN+Tqze252C1w2uu
-    vlzK1GnY5pnZzpaZAf/d+UAtNXDYdWA1DlJsNsBXgIJVkc47sp/cv6EGced+UXuV+Yr80s
-    ECqqOqa+IZWxd+Buca2EWQhG2loLlk6JQ8D+vNm3yhPCrb+1BcoZgxGItL70TdLtUCsmpP
-    y+ejnIxiHl79CjSNANBA7SgjJCQWYjFTcNUb98pGMsMVKIqczNtUZrL6WiSBrLDl5luFIb
-    bZi6iQsjVU6AUd+rcTSsdCec7xnoDddytmh2oG0tHG9wlCQh9yo0NBGaBQP/euqiSgIAvZ
-    zTJTy1AUo/M6FRdMpuGoDrxDPDGj/Q4OsUQzDS0c10WHGv2TLIoloa/FvhjdOn4pXOOIOB
-    nzgRn1xEHwgmSsyyiQP8gCEWM3XgLTOZIS+B4AT6hFPGCbbRetqwKF6qG68xsoLmQ5BXJN
-    kdIKqT7BlAvvX7t80XnvWiuZUjBS2qyTJ3FWCkyaxQVmrNsfZbg4qRJ377+ip3BwuaTl3X
-    VuZEEEy6+cwc+fRL8hPbKKIAcSLjRJnGHMiPvEFcL7yMkmGhv/vd78QdF/0XfVqCGr1gH3
-    gO3O//2Bdcp7Vo9QGqlK66Cusk5HiVSv6StQdqoauW2bxF4JKm3azHL1wWkyWtf2FQD425
-    0V+qib4Qz4KALj9uPwUyP6umDSk1NSBEMohGYpbm/O/Hpr6x2XET6kYbcK/sb5pDlZ81QQ
-    A6GJ87fQyVe0FeoWwg256LiNyDTqFUKm0R508hlnzaAtMnW8TvSqmjrKfLy9YU8IaF0dcS
-    kLheF4EwU2B5exumCx5JDe/xbVw5M8bx5m9lMx1NxGwNr2HtLvgMdQCwI5KchBzC+SIfGd
-    h94Gv39xRGKAhgtBzRRC5LLnRHeBWuLroWY/MoPDH5dWsMvSDkDjaGWHczlPNeN+epv17O
-    G5rR4oyVBfbR5+/qB//1c8avbBrmMLZoFaGMYSQaX8kTcus/Xu5qoDvxlkT4mjb6VvjMq0
-    iPUDNz8hAXv6NUlAViMGNV/sKhNcHRmwqkai79p0JJ+Ni635YNY2E7mS6QwVce1KCsUMet
-    xjeDItSaLLQTaC2LfLybL9/3ppJiaOusnSN+J+yHvUIu7IsI2a9OpGRGhYIU/25r2KBtFV
-    GdSGLNOdI3CB+J6eDXwkt3BmkIVYABc12o94PAXShnCgXK4u6tcowkNKVjyIrE64tckBsr
-    l08apsj7SkTbly34MucgKya0pwBQKUXEUSHCQ70h8q4fK0dWrs7ahODXdwj0Lrp6My5eFR
-    sV24X8U7kPailGowAVh9f/7afZs9CURwlUDjaXKWewGyQ7j3WVHOXSikOfxxbdQ+19juDO
-    1h7Gtk+fKLsq0har0KDnVFSvP16f3ETKfAp5/acmXE4dnJGoo5k2Ak0QUBNIH163biBKS0
-    Y6ePms4PghUFWINzaReZi1E4NiXdWKgOLXJBta7fg+ISFCocYdBRk9w3VUZa/1IvgzNg3l
-    QxyLLH4YPcAGiSPpwcHhWxh/OMY4m6av9BslsG9ajXBpVto0X3oEa78ZuJVVXWAP2E891g
-    I/atxZ+fBkght3oIMiIuyWPeKZVNvdx1eKCU76jCEXxMrlAM47OZEJnaeMdhqPA1ICqERx
-    2L9Tq2W30mgwwP/QaDOiqNBn3UWt28ly+LqUOoQKt/w/z9YZUlpN090rs1iWOTkpamXTYd
-    o+WewKF1Ax4TbsSfNX7P1ROTeIsQCisu3iFWkym9QZ/2RcZYcEPGGAR3ve8rPS2tsy9nL8
-    4TDo1LUXShRgQxOEAsPNJ4440vY=
+    b3BlbnNzaC1rZXktdjEAAAAACmFlczI1Ni1jdHIAAAAGYmNyeXB0AAAAGAAAABA9i7hZ7m
+    UBPxF7GuUswZiXAAAAEAAAAAEAAABoAAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlz
+    dHAyNTYAAABBBOOAQfhwylg6WhJRXha2K1dJY5BG12nsS7YyFlKPAovOAC8d8rTOzjjDWu
+    kG24JVRrXoWUN6eWWvxDvMd5pZT1wAAADAepYZPGTQnH6genhU+y9aD1GFO8BsODIllxEq
+    T8n2eLAmPWYLv4HhgtmbqtsOmTE9sVM5ynYj/dAX1SreoGeoMEVFIt1cYtWgyuJccEiK4t
+    1JQLFLMKnBRTY+yIdD6gX7tLRRL/jqzMR4XZF5/Yf48lvU4h+ljuOitWH3ea9142izl2Wk
+    eXAfeoezJaDntZUUEYvKMI5U6iWVni+c7vOcJFTZgBeV4i54ua06tY5mE/mWARldiSDtJG
+    yGEOankDnf
     -----END OPENSSH PRIVATE KEY-----
   identity.pub: |
-    ssh-rsa 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
+    ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBOOAQfhwylg6WhJRXha2K1dJY5BG12nsS7YyFlKPAovOAC8d8rTOzjjDWukG24JVRrXoWUN6eWWvxDvMd5pZT1w=
   known_hosts: github.com ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBEmKSENjQEezOmxkZMy7opKgwFB9nkt5YRrYMjNuG5N87uRgg6CLrbo5wAdT/y6v0mKV0U2w0WZ2YB/++Tpockg=
   password: password