ci: apt error "you have held broken packages" #3503

Problem:
CI jobs are failing with apt error "E: Unable to correct problems, you have held broken packages".

```
[Container] 2023/05/26 18:36:57 Running command n $NODE_16_VERSION
     copying : node/16.20.0
   installed : v16.20.0 (with npm 8.19.4)

[Container] 2023/05/26 18:37:27 Moving to directory /codebuild/output/src277245994/src/github.com/aws/aws-toolkit-vscode
[Container] 2023/05/26 18:37:27 Configuring ssm agent with target id: codebuild:f31d92a4-ae0b-4718-977e-2abd1b4018cd
[Container] 2023/05/26 18:37:27 Successfully updated ssm agent configuration
[Container] 2023/05/26 18:37:27 Registering with agent
[Container] 2023/05/26 18:37:27 Phases found in YAML: 3
[Container] 2023/05/26 18:37:27  INSTALL: 2 commands
[Container] 2023/05/26 18:37:27  PRE_BUILD: 2 commands
[Container] 2023/05/26 18:37:27  BUILD: 6 commands
[Container] 2023/05/26 18:37:27 Phase complete: DOWNLOAD_SOURCE State: SUCCEEDED
[Container] 2023/05/26 18:37:27 Phase context status code:  Message: 
[Container] 2023/05/26 18:37:27 Entering phase INSTALL
[Container] 2023/05/26 18:37:27 Running command >/dev/null apt -yqq update

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

W: https://apt.corretto.aws/dists/stable/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.
W: https://dl.yarnpkg.com/debian/dists/stable/InRelease: Key is stored in legacy trusted.gpg keyring (/etc/apt/trusted.gpg), see the DEPRECATION section in apt-key(8) for details.

[Container] 2023/05/26 18:37:32 Running command >/dev/null apt -y install libatk1.0-0 libgtk-3-dev libxss1 xvfb libnss3-dev libasound2 libasound2-plugins libsecret-1-0

WARNING: apt does not have a stable CLI interface. Use with caution in scripts.

E: Unable to correct problems, you have held broken packages.

[Container] 2023/05/26 18:37:33 Command did not exit successfully >/dev/null apt -y install libatk1.0-0 libgtk-3-dev libxss1 xvfb libnss3-dev libasound2 libasound2-plugins libsecret-1-0 exit status 100
[Container] 2023/05/26 18:37:33 Phase complete: INSTALL State: FAILED
[Container] 2023/05/26 18:37:33 Phase context status code: COMMAND_EXECUTION_ERROR Message: Error while executing command: >/dev/null apt -y install libatk1.0-0 libgtk-3-dev libxss1 xvfb libnss3-dev libasound2 libasound2-plugins libsecret-1-0. Reason: exit status 100
```

Solution:
The `libnss3-dev` and `libsecret-1-0`  items are apparently no longer needed, so remove them.
Fixes #3502

Author: justinmk3

buildspec/linuxIntegrationTests.yml

@@ -32,7 +32,7 @@ phases:
             - 'python3.7 --version'
             - 'python3.8 --version'
             # Dependencies for running vscode.
-            - '>/dev/null apt-get -yqq install libatk1.0-0 libgtk-3-dev libxss1 xvfb libnss3-dev libasound2 libasound2-plugins libsecret-1-0'
+            - '>/dev/null apt-get -yqq install libatk1.0-0 libgtk-3-dev libxss1 xvfb libasound2 libasound2-plugins'
             - '>/dev/null pip3 install --upgrade aws-sam-cli'
             # Print info about sam (version, location, …).
             - 'pip3 show aws-sam-cli'

buildspec/linuxTests.yml

@@ -13,7 +13,7 @@ phases:
             # Without this, "Unable to locate package libatk1.0-0".
             - '>/dev/null apt-get -yqq update'
             # Dependencies for running vscode.
-            - '>/dev/null apt-get -yqq install libatk1.0-0 libgtk-3-dev libxss1 xvfb libnss3-dev libasound2 libasound2-plugins libsecret-1-0'
+            - '>/dev/null apt-get -yqq install libatk1.0-0 libgtk-3-dev libxss1 xvfb libasound2 libasound2-plugins'
 
     pre_build:
         commands: