chore: remove warnings on .golangci.yaml

Update the go linter configuration file to
remove several warnings in relation with deprecated
fields.

Signed-off-by: Alejandro Visiedo <[email protected]>

.golangci.yaml

@@ -22,12 +22,12 @@ run:
   # build-tags:
   #   - mytag
 
-  # Which dirs to skip: issues from them won't be reported.
+  # Which dirs to exclude: issues from them won't be reported.
   # Can use regexp here: `generated.*`, regexp is applied on full path.
   # Default value is empty list,
   # but default dirs are skipped independently of this option's value (see skip-dirs-use-default).
   # "/" will be replaced by current OS file path separator to properly work on Windows.
-  skip-dirs:
+  exclude-dirs:
     - deploy
     - secrets
     - scripts
@@ -41,18 +41,18 @@ run:
     - secrets
     - internal/test/mock
 
-  # Enables skipping of directories:
+  # Enables excluding of directories:
   # - vendor$, third_party$, testdata$, examples$, Godeps$, builtin$
   # Default: true
-  skip-dirs-use-default: false
+  exclude-dirs-use-default: false
 
-  # Which files to skip: they will be analyzed, but issues from them won't be reported.
+  # Which files to exclude: they will be analyzed, but issues from them won't be reported.
   # Default value is empty list,
   # but there is no need to include all autogenerated files,
   # we confidently recognize autogenerated files.
   # If it's not please let us know.
   # "/" will be replaced by current OS file path separator to properly work on Windows.
-  skip-files:
+  exclude-files:
     - ".*\\.gen\\.go$"
 
   # If set we pass it to "go list -mod={option}". From "go help modules":
@@ -79,15 +79,15 @@ run:
 
 # output configuration options
 output:
-  # Format: colored-line-number|line-number|json|tab|checkstyle|code-climate|junit-xml|github-actions
+  # Formats: colored-line-number|line-number|json|tab|checkstyle|code-climate|junit-xml|github-actions
   #
   # Multiple can be specified by separating them by comma, output can be provided
   # for each of them by separating format name and path by colon symbol.
   # Output path can be either `stdout`, `stderr` or path to the file to write to.
   # Example: "checkstyle:report.json,colored-line-number"
   #
   # Default: colored-line-number
-  format: line-number
+  formats: line-number
   # Print lines of code with issue.
   # Default: true
   print-issued-lines: false
@@ -331,7 +331,7 @@ linters-settings:
     min-complexity: 10
   govet:
   # https://golangci-lint.run/usage/linters/#govet
-    check-shadowing: true
+    shadow: true
     settings:
       printf:
         funcs:
@@ -344,7 +344,6 @@ linters-settings:
     enable-all: true
   gofumpt:
   # https://golangci-lint.run/usage/linters/#gofumpt
-    lang-version: "1.21"
     module-path: github.com/podengo-project/idmsvc-backend
     extra-rules: true
   testifylint: