[#2704] Fix broken packages for deployment docker script

Author: muloem

scripts/deploy/bootstrap-deploy.sh

@@ -3,14 +3,14 @@
 set -eu
 
 apk add --no-cache \
-    bash=4.4.19-r1 \
-    git=2.15.2-r0 \
-    jq=1.5-r5 \
-    unzip=6.0-r2 \
-    openjdk8=8.151.12-r0 \
-    parallel=20171122-r0 \
-    shadow=4.5-r0 \
-    su-exec=0.2-r0
+    bash~=4.4 \
+    git~=2 \
+    jq~=1.5 \
+    unzip~=6 \
+    openjdk8~=8 \
+    parallel \
+    shadow~=4.5 \
+    su-exec~=0.2
 
 gcloud components install app-engine-java --quiet
 rm -rf /google-cloud-sdk/.install/.backup