fix: build ubuntu 20.04 package without errors

Author: frenkel

.github/workflows/build.yml

@@ -8,7 +8,7 @@ env:
   CARGO_TERM_COLOR: always
 jobs:
   old_build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     steps:
       - run: sudo apt-get install -y libssl-dev libgtk-3-dev
       - run: cargo install cargo-deb cargo-rpm
@@ -20,7 +20,7 @@ jobs:
           path: target/
 
       # needed on older glibc
-      - run:  sed 's/resolv.*/resolv = "0.2.0"/' Cargo.toml
+      - run:  sed -i 's/resolv.*/resolv = "0.2.0"/' Cargo.toml
 
       - run: cargo deb
       - run: cargo rpm build

.github/workflows/test.yml

@@ -4,7 +4,7 @@ env:
   CARGO_TERM_COLOR: always
 jobs:
   cargo-test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - run: sudo apt-get install -y libssl-dev libgtk-3-dev
 

README.md

@@ -12,7 +12,7 @@ and the various BSD's.
 On the Timer for Harvest github page, click on the 
 [releases link](https://github.com/frenkel/timer-for-harvest/releases). The 
 newest release is listed at the top of the page. It contains pre-build 
-binaries for Ubuntu 20.04 and Fedora 32, as well as other distributions. 
+binaries for Ubuntu 20.04+ and Fedora 34+, as well as other distributions. 
 You will be notified of new releases by a message in the main window.
 
 ## Usage