Resolve deprecation warnings from golangci-lint (signalfx#5117)

.github/workflows/build-and-test.yml

@@ -7,6 +7,7 @@ on:
   pull_request:
     paths:
       - '.github/workflows/build-and-test.yml'
+      - '.golangci.yml'
       - 'cmd/**'
       - 'internal/**'
       - 'pkg/**'

.github/workflows/lint-examples.yml

@@ -4,6 +4,7 @@ on:
   pull_request:
     paths:
       - '.github/workflows/lint-examples.yml'
+      - '.golangci.yml'
       - 'examples/**/*.go'
       - 'examples/**/go.mod'
       - 'examples/**/go.sum'

.golangci.yml

@@ -18,10 +18,6 @@ run:
   # from this option's value (see skip-dirs-use-default).
   skip-dirs:
 
-  # default is true. Enables skipping of directories:
-  #   vendor$, third_party$, testdata$, examples$, Godeps$, builtin$
-  skip-dirs-use-default: false
-
   # which files to skip: 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
@@ -41,7 +37,7 @@ run:
 # output configuration options
 output:
   # colored-line-number|line-number|json|tab|checkstyle|code-climate, default is "colored-line-number"
-  format: colored-line-number
+  formats: colored-line-number
 
   # print lines of code with issue, default is true
   print-issued-lines: true
@@ -52,9 +48,6 @@ output:
 # all available settings of specific linters
 linters-settings:
   govet:
-    # report about shadowed variables
-    check-shadowing: true
-
     # settings per analyzer
     settings:
       printf: # analyzer name, run `go tool vet help` to see all analyzers
@@ -118,3 +111,4 @@ issues:
     - text: "SA1019: \"github.com/signalfx/splunk-otel-collector/internal/exporter/httpsinkexporter"
       linters:
         - staticcheck
+  exclude-dirs-use-default: false