Upgrade rust_g to version 0.4.0

Note - The linux binary depends on libssl.so.1.1 so make sure your environment is new enough to have that.

.github/workflows/autochangelog.yml

@@ -11,7 +11,7 @@ env:
 jobs:
     autochangelog:
         name: Autochangelog
-        runs-on: ubuntu-16.04
+        runs-on: ubuntu-20.04
         if: github.event.pull_request.merged == true
         steps:
           - uses: /actions/checkout@v2

.github/workflows/ci.yml

@@ -10,7 +10,7 @@ env:
 jobs:
   file_tests:
     name: Run Linters
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - name: Ensure +x on CI directory
@@ -26,7 +26,7 @@ jobs:
 
   dreamchecker:
     name: DreamChecker
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
 
@@ -54,7 +54,7 @@ jobs:
 
   unit_tests:
     name: Integration Tests
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
       - name: Ensure +x on CI directory
@@ -69,7 +69,7 @@ jobs:
         run: |
           sudo dpkg --add-architecture i386
           sudo apt update || true
-          sudo apt install libc6:i386 libgcc1:i386 libstdc++6:i386 libssl1.0.0:i386 zlib1g:i386
+          sudo apt install zlib1g-dev:i386 libssl-dev:i386 pkg-config:i386
           ldd librust_g.so
       - name: Unit Tests
         run: |

.github/workflows/render_nanomaps.yml

@@ -14,7 +14,7 @@ on:
 jobs:
   generate_maps:
     name: 'Generate NanoMaps'
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
     - name: Clone
       uses: actions/checkout@v2