Allow to disable apps building with no-apps

Reviewed-by: Matt Caswell <matt@openssl.org>
Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21212)

.github/workflows/run-checker-daily.yml

@@ -22,6 +22,7 @@ jobs:
         opt: [
           386,
           no-afalgeng,
+          no-apps,
           no-aria,
           no-asan,
           no-asm,

Configure

@@ -408,6 +408,7 @@ my @dtls = qw(dtls1 dtls1_2);
 my @disablables = (
     "acvp-tests",
     "afalgeng",
+    "apps",
     "argon2",
     "aria",
     "asan",

INSTALL.md

@@ -583,6 +583,11 @@ access to algorithm internals that are not normally accessible.
 Additional information related to ACVP can be found at
 <https://github.com/usnistgov/ACVP>.
 
+### no-apps
+
+Do not build apps, e.g. the openssl program. This is handy for minimization.
+This option also disables tests.
+
 ### no-asm
 
 Do not use assembler code.