ci: removes travis and updates GHA

Travis hasn't run in three years, so we shouldn't pretend we are.

See openzipkin/zipkin#3608

Signed-off-by: Adrian Cole <adrian@tetrate.io>

.github/workflows/deploy.yml

@@ -11,10 +11,10 @@ on:
 
 jobs:
   deploy:
-    runs-on: ubuntu-20.04  # newest available distribution, aka focal
+    runs-on: ubuntu-22.04  # newest available distribution, aka jellyfish
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1  # only needed to get the sha label
       # We can't cache Docker without using buildx because GH actions restricts /var/lib/docker

.github/workflows/test.yml

@@ -16,10 +16,10 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-20.04  # newest available distribution, aka focal
+    runs-on: ubuntu-22.04  # newest available distribution, aka jellyfish
     steps:
       - name: Checkout Repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 1  # only needed to get the sha label
       # We can't cache Docker without using buildx because GH actions restricts /var/lib/docker

install.sh

@@ -23,7 +23,7 @@ set -uex
 
 # Ensure we can create hs_err_pid*.log
 ulimit -c unlimited
-function maybe_log_crash() {
+maybe_log_crash() {
   (cat $(ls hs_err_pid*.log) 2>&- || true) && exit 1;
 }