workflows: install ronn before running "make release"

Now that we're building the manual pages as part of the release target
in the Makefile, let's be sure to always install ronn before doing so so
that it doesn't fail.

.github/workflows/ci.yml

@@ -10,6 +10,8 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v1
+    - uses: actions/setup-ruby@v1
+    - run: gem install ronn
     - run: script/cibuild
     - run: CGO_ENABLED=0 make release
     - run: mkdir -p bin/assets
@@ -35,6 +37,7 @@ jobs:
     runs-on: windows-latest
     steps:
     - uses: actions/checkout@v1
+    - uses: actions/setup-ruby@v1
     - run: |
         echo "::add-path::C:\Program Files\Git\mingw64\bin"
         echo "::add-path::C:\Program Files\Git\usr\bin"
@@ -47,6 +50,10 @@ jobs:
     - run: choco uninstall git.install -y --force
     - run: cinst git --version 2.26.2 -y --force
     - run: refreshenv
+    - run: gem install ronn
+      shell: bash
+    - run: make man
+      shell: bash
     - run: GOPATH="$HOME/go" PATH="$HOME/go/bin:$PATH" go get github.com/josephspurrier/goversioninfo/cmd/goversioninfo
       shell: bash
     - run: GOPATH="$HOME/go" PATH="$HOME/go/bin:$PATH" script/cibuild

.github/workflows/release.yml

@@ -22,6 +22,7 @@ jobs:
     - run: cinst zip -y
     - run: cinst jq -y
     - run: cinst windows-sdk-10.0 -y
+    - run: gem install ronn
     - run: refreshenv
     - run: GOPATH="$HOME/go" PATH="$HOME/go/bin:$PATH" go get github.com/josephspurrier/goversioninfo/cmd/goversioninfo
       shell: bash
@@ -52,6 +53,7 @@ jobs:
     - uses: actions/checkout@v1
     - uses: actions/setup-ruby@v1
     - run: brew install mitchellh/gon/gon
+    - run: gem install ronn
     - run: make release
     - run: CERT_FILE="$HOME/cert.p12" make release-write-certificate
       env:
@@ -83,6 +85,7 @@ jobs:
     - uses: actions/download-artifact@v1
       with:
         name: macos-assets
+    - run: gem install ronn
     - run: CGO_ENABLED=0 make release
     - run: rm -f bin/releases/*windows* bin/releases/*darwin*
     - run: 'find windows-assets -name "*windows*" -type f | xargs -L1 -I{} mv {} bin/releases'