Fixed failing git actions (#8)

* Updated test certificate to use sha256 signing algorithm instead of sha1

* Updated api-badserver.pem, reverted api-server.pem

* Use Ubuntu 20.04 for GitHub Actions workflow

SOL-84761

.github/workflows/test.yml

@@ -8,7 +8,7 @@ jobs:
   # This workflow contains a single job called "build"
   Linux:
     # The type of runner that the job will run on
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
 
     # Steps represent a sequence of tasks that will be executed as part of the job
     steps:

test/data/invalid_fixtures/api-badserver.pem

@@ -29,11 +29,11 @@ zaD5rDRKxf96BSrqk5AIyXa0uHnQ4qD4WjHTrKCqLeX40WLWYZgu0gD8ndLWjaO2
 DZlx4kv5QmOWLVBzpRPsM6LFJc71bXG7bWLXkh8U+CGGSCJpftPVfLrhwkXtmy92
 -----END RSA PRIVATE KEY-----
 -----BEGIN CERTIFICATE-----
-MIIDnjCCAoagAwIBAgIBATANBgkqhkiG9w0BAQUFADCBgTELMAkGA1UEBhMCQ0Ex
+MIIDnjCCAoagAwIBAgIBATANBgkqhkiG9w0BAQsFADCBgTELMAkGA1UEBhMCQ0Ex
 CzAJBgNVBAgMAk9OMQ8wDQYDVQQHDAZLYW5hdGExDzANBgNVBAoMBlNvbGFjZTEM
 MAoGA1UECwwDQVBJMRIwEAYDVQQDDAlwdWJsaWNhZncxITAfBgkqhkiG9w0BCQEW
-EnN1cHBvcnRAc29sYWNlLmNvbTAeFw0yMjAzMTAxNDE4MzhaFw0zMjAzMDcxNDE4
-MzhaMIGHMQswCQYDVQQGEwJDQTELMAkGA1UECAwCT04xDzANBgNVBAcMBkthbmF0
+EnN1cHBvcnRAc29sYWNlLmNvbTAeFw0yMjEyMTkxODM1MzVaFw0zMjEyMTYxODM1
+MzVaMIGHMQswCQYDVQQGEwJDQTELMAkGA1UECAwCT04xDzANBgNVBAcMBkthbmF0
 YTEPMA0GA1UECgwGU29sYWNlMQwwCgYDVQQLDANBUEkxGDAWBgNVBAMMD3B1Ymxp
 Y2Fmd3NlcnZlcjEhMB8GCSqGSIb3DQEJARYSc3VwcG9ydEBzb2xhY2UuY29tMIIB
 IjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7HXmPFjHmbZwEHKQ04GevsSM
@@ -42,11 +42,11 @@ us2ClvKFVjlVALv7jjsaN2SlbW3BrthH7q3yk1cjfviyVpGr4i1Ij+FLRYzQAJbT
 wsW9FrAlBhleQpTYNjVNIj4/zcqoVixoWdcqJlzIPv1Bjrtb6wmXA2XL3j4M+xKQ
 +C2X99tp0PeatU2X/aPcWHDQwImjec+PUxLpK/VE/3HLwo8Y0iycfyFTkIHVNSHH
 udU1Pvuw+c23Cig0cCYGp+9FFXSzimhFx2ddcmIc8zMGYTe+W0Lk4UlhrIQZCQID
-AQABoxkwFzAVBgNVHREEDjAMggpkb25vdGV4aXN0MA0GCSqGSIb3DQEBBQUAA4IB
-AQABddNdaT+RivywEIb/VdOGFt2tCB1pY1iYLYJbPeBA2qupUuM1cNqudKkazlj9
-pm0VU/umJ+R26PIt+AxcB3gxF+bwmK2UIBhf8Z7mV7/RN4OjVM7xsI3e19AZsfgL
-dt9nqBcoJVlOE8uncCg1J9SdHy1VW4TMuSi4mhUZIiV3as3nnZJuXAdeD2FSvZJY
-2c0pjsxbOY3BqzQaXw6mcCSEg9w6nq+r8Fc/4ZmX/6NZ7n+7X7rOaegOi/vNoxEG
-idC3s4t6OTEE5woxB7sNBxS7VzqkfBil3mmgbChoExOx/ZB5WEVk0SvYhPI4AR0b
-MwPAl4bZQR+Y5WG0quEdfWhA
+AQABoxkwFzAVBgNVHREEDjAMggpkb25vdGV4aXN0MA0GCSqGSIb3DQEBCwUAA4IB
+AQAuksC2JLrooRU+I8YNPMi1HhBLT7N5IQEhBr8SGfiWoNMjLdfRcsfISI1D1J98
+lQVvebewip+pt4oK1VH7vpjkEbTbrI491MD7qnqBV6xpoAgQARB5kDFymbJU4Y1D
+4KLz6BZH+Hs9avhLu99C3EkUxB9a6IBklxgg5Il6pLUQnqwWuwm5t8U9sIFTXvSi
+WY+JILaQ/h5NjcuTOvFwEc0Siut0CUa30wW1MLaZ3RXghElkTrDFVvy3fswH15hj
+Bh4/K5eHzTNRAyVB17SJCZkhoxO2LZ3xXlBo3lLl5llhskDn9QlR77mZn6m/Isew
+HJ5mLuhlLKj/5P8uN6JF4LfC
 -----END CERTIFICATE-----