feat: use standard library embed

Use the standard library embed for internal files instead of esc and
go-bindata which significantly simplifies the code and removes the need
for 3rd party dependencies.

Also:
* Update go workflow with latest actions so we get caching.

Author: stevenh

Diff for: .github/workflows/go.yml

@@ -13,38 +13,25 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go: [ 1.16.x, 1.15.x, 1.14.x, 1.13.x, 1.12.x, 1.11.x, 1.10.x, 1.9.x ]
-    env:
-      GOPATH: ${{ github.workspace }}
-      GO111MODULE: auto
-    defaults:
-      run:
-        working-directory: ${{ env.GOPATH }}/src/github.com/cweill/gotests
+        go: [ 1.16.x, 1.19.x, 1.20.x ]
     steps:
 
+    - name: Check out code
+      uses: actions/checkout@v3
+
     - name: Set up Go 1.x
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v4
       with:
         go-version: ${{ matrix.go }}
 
-    - name: Check out code
-      uses: actions/checkout@v2
-      with:
-        path: ${{ env.GOPATH }}/src/github.com/cweill/gotests
-
-    - name: Get Dependencies (github.com/golang.org/x/tools/imports)
-      run: go get -v ./...
-
     - name: Test
       run: |
         go test -v ./...
 
     - name: Coverage Dependencies
       if: matrix.go == '1.16.x'
       run: |
-        go get github.com/mattn/goveralls
-        go get -v ./...
-
+        go install github.com/mattn/goveralls@latest
 
     - name: Coverage Reporting Generation
       if: matrix.go == '1.16.x'
@@ -54,6 +41,6 @@ jobs:
 
     - name: Coverage - Sending Report to Coveral
       if: matrix.go == '1.16.x'
-      run: $GOPATH/bin/goveralls -coverprofile=coverage.cov -service=github
+      run: goveralls -coverprofile=coverage.cov -service=github
       env:
         COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}

Diff for: README.md

@@ -10,7 +10,7 @@ The following shows `gotests` in action using the [official Sublime Text 3 plugi
 
 ## Installation
 
-__Minimum Go version:__ Go 1.6
+__Minimum Go version:__ Go 1.16
 
 Use [`go get`](https://golang.org/cmd/go/#hdr-Download_and_install_packages_and_dependencies) to install and update:
 

Diff for: go.mod

@@ -2,4 +2,4 @@ module github.com/cweill/gotests
 
 require golang.org/x/tools v0.0.0-20191109212701-97ad0ed33101
 
-go 1.6
+go 1.16