chore(deps): pin dependencies

Author: renovate[bot]

tools/cnitool/Dockerfile.template

@@ -2,7 +2,7 @@
 
 ARG ref=main
 
-FROM golang:1.18.5 AS build
+FROM golang:1.18.5@sha256:5540a6a6b3b612c382accc545b3f6702de21e77b15d89ad947116c94b5f42993 AS build
 WORKDIR /go/src/github.com/containernetworking/cni
 ARG name
 ARG version

tools/docuum/Dockerfile.template

@@ -2,7 +2,7 @@
 
 ARG ref=main
 
-FROM rust:1.63.0 AS build
+FROM rust:1.63.0@sha256:8307760c6dc650fa8a1586ebd7c96a9845b571015667aa44bf5e7f7c0b1de324 AS build
 WORKDIR /tmp/github.com/stepchowfun/docuum
 ARG name
 ARG version

tools/emojisum/Dockerfile.template

@@ -2,7 +2,7 @@
 
 ARG ref=main
 
-FROM golang:1.18.5 AS build
+FROM golang:1.18.5@sha256:5540a6a6b3b612c382accc545b3f6702de21e77b15d89ad947116c94b5f42993 AS build
 WORKDIR /go/src/github.com/emojisum/emojisum
 ARG name
 ARG version

tools/envsub/Dockerfile.template

@@ -2,7 +2,7 @@
 
 ARG ref=main
 
-FROM rust:1.63.0 AS build
+FROM rust:1.63.0@sha256:8307760c6dc650fa8a1586ebd7c96a9845b571015667aa44bf5e7f7c0b1de324 AS build
 WORKDIR /tmp/github.com/stephenc/envsub
 ARG name
 ARG version

tools/firejail/Dockerfile.template

@@ -2,7 +2,7 @@
 
 ARG ref=main
 
-FROM ubuntu:22.04 AS build
+FROM ubuntu:22.04@sha256:20fa2d7bb4de7723f542be5923b06c4d704370f0390e4ae9e1c833c8785644c1 AS build
 RUN <<EOF
 apt-get update
 apt-get -y install --no-install-recommends \

tools/imgcrypt/Dockerfile.template

@@ -2,7 +2,7 @@
 
 ARG ref=main
 
-FROM golang:1.18.5 AS build
+FROM golang:1.18.5@sha256:5540a6a6b3b612c382accc545b3f6702de21e77b15d89ad947116c94b5f42993 AS build
 WORKDIR /go/src/github.com/containerd/imgcrypt
 ARG name
 ARG version

tools/jwt/Dockerfile.template

@@ -2,7 +2,7 @@
 
 ARG ref=main
 
-FROM rust:1.63.0 AS build
+FROM rust:1.63.0@sha256:8307760c6dc650fa8a1586ebd7c96a9845b571015667aa44bf5e7f7c0b1de324 AS build
 WORKDIR /tmp/github.com/mike-engel/jwt-cli
 ARG name
 ARG version

tools/libcap-ng/Dockerfile.template

@@ -2,7 +2,7 @@
 
 ARG ref=main
 
-FROM ubuntu:22.04 AS build
+FROM ubuntu:22.04@sha256:20fa2d7bb4de7723f542be5923b06c4d704370f0390e4ae9e1c833c8785644c1 AS build
 RUN <<EOF
 apt-get update
 apt-get -y install --no-install-recommends \

tools/libcap/Dockerfile.template

@@ -2,7 +2,7 @@
 
 ARG ref=main
 
-FROM ubuntu:22.04 AS build
+FROM ubuntu:22.04@sha256:20fa2d7bb4de7723f542be5923b06c4d704370f0390e4ae9e1c833c8785644c1 AS build
 RUN <<EOF
 apt-get update
 apt-get -y install --no-install-recommends \

tools/libcgroup/Dockerfile.template

@@ -2,7 +2,7 @@
 
 ARG ref=main
 
-FROM ubuntu:22.04 AS build
+FROM ubuntu:22.04@sha256:20fa2d7bb4de7723f542be5923b06c4d704370f0390e4ae9e1c833c8785644c1 AS build
 RUN <<EOF
 apt-get update
 apt-get -y install --no-install-recommends \