Use Pip

Also adds a script to update pinned versions

bob/devtools/data/conda_build_config.yaml

@@ -322,7 +322,7 @@ click_plugins:
 cmake:
   - 3.21.3
 coverage:
-  - 5.5
+  - 6.0
 dask:
   - 2021.9.1
 dask_jobqueue:
@@ -338,7 +338,7 @@ docker_py:
 docopt:
   - 0.6.2
 ffmpeg:
-  - 4.3
+  - 4.3.2
 flaky:
   - 3.7.0
 font_ttf_dejavu_sans_mono:
@@ -348,7 +348,7 @@ freetype:
 giflib:
   - 5.2.1
 graphviz:
-  - 2.49.0
+  - 2.49.1
 h5py:
   - 3.1.0
 hdf5:
@@ -358,7 +358,7 @@ jinja2:
 jpeg:
   - 9d
 jsonschema:
-  - 3.2.0
+  - 4.0.1
 libblitz:
   - 1.0.2
 libpng:
@@ -377,9 +377,7 @@ nose:
   - 1.3.7
 numba:
   - 0.54.0
-# we build against numpy 1.18 but test against newer versions.
 numpy:
-  # part of a zip_keys: python, python_impl, numpy
   - 1.19.5
 opencv:
   - 4.5.1
@@ -387,6 +385,8 @@ pandas:
   - 1.3.3
 pillow:
   - 8.3.2
+pip:
+  - 21.2.4
 pkg_config:
   - 0.29.2
 psutil:
@@ -394,13 +394,13 @@ psutil:
 psycopg2:
   - 2.9.1
 pybind11:
-  - 2.7.1
+  - 2.8.0
 pytables:
   - 3.6.1
 pytest:
   - 6.2.5
 pytest_cov:
-  - 2.12.1
+  - 3.0.0
 python_graphviz:
   - 0.17
 pytorch: