[ci skip] Merge PR 34554

Merge PR bioconda#34554, commits were: 
 * Update meta.yaml
 * Update meta.yaml
 * Update meta.yaml

Move build requirements to `host` section to avoid issues caused by https://github.com/conda/conda/issues/11441.
Also increment minimum Python version to 3.8 as Python 3.7 is incompatible with the latest conda compiler specified by `{{ compiler('cxx') }}`.

recipes/btllib/meta.yaml

@@ -10,21 +10,21 @@ source:
   sha256: a16204b39ff8a0949c984b343238aafb6fd45a8368bbdd7011328af26049e304
 
 build:
-  skip: true  # [py < 37]
-  number: 1
+  skip: true  # [py < 38 or win]
+  number: 2
 
 requirements:
   build:
     - {{ compiler('cxx') }}
+  host:
+    - python
+    - pip
+    - wheel
     - meson
     - ninja
     - cmake
     - llvm-openmp  # [osx]
     - libgomp      # [linux]
-    - wheel
-  host:
-    - python
-    - pip
   run:
     - python
     - samtools
@@ -40,6 +40,8 @@ requirements:
 test:
   commands:
     - indexlr --help
+  imports:
+    - btllib
 
 about:
   home: https://github.com/bcgsc/btllib