Update changelog and readme for release v1.4.0, B7.9 RC1 (#6554)

Changes
* Update changelog and readme for release v1.4.0, B7.9 RC1
* update dependencies

Author: stscieisenhamer

CHANGES.rst

@@ -1,4 +1,4 @@
-1.4.0 (unreleased)
+1.4.0 (2022-01-10)
 ==================
 
 ami_analyze

README.md

@@ -188,6 +188,7 @@ contact the [JWST Help Desk](https://jwsthelp.stsci.edu).
 
 | jwst tag | DMS build | CRDS_CONTEXT |   Date     |          Notes                                |
 | -------- | --------- | ------------ | ---------- | ----------------------------------------------|
+|  1.4.0   | B7.9rc1   | 0786*        | 2022-01-10 | First release candidate for B7.9              |
 |  1.3.3   | B7.8.2    | 0764         | 2021-10-05 | Same as 1.3.2, but with installation bug fix  |
 |  1.3.2   | B7.8.2    | 0764         | 2021-09-03 | Final release candidate for B7.8.2            |
 |  1.3.1   | B7.8.1    | 0742         | 2021-08-09 | Final release candidate for B7.8.1            |

setup.cfg

@@ -31,7 +31,7 @@ install_requires =
     asdf>=2.8.2
     astropy>=5.0.0
     BayesicFitting>=2.7.2
-    crds>=10.3.1
+    crds>=11.5.2
     drizzle>=1.13.4
     gwcs>=0.18.0
     jsonschema>=3.0.2
@@ -44,7 +44,7 @@ install_requires =
     scipy>=1.6.0
     spherical-geometry>=1.2.22
     stcal>=0.5.1
-    stdatamodels>=0.3.0,<1.0
+    stdatamodels>=0.4.0,<1.0
     stpipe>=0.3.1,<1.0
     stsci.image>=2.3.5
     stsci.imagestats>=1.6.3